WUCOLS Landscape Water-Use Planning Tool

California plant database search tool

What is WUCOLS?

Water Use Classifications of Landscape Species

Water Use Classifications of Landscape Species (WUCOLS) provides a guide to estimating irrigation water needs of landscape plantings in
each of 6 distinct California climate regions. WUCOLS was developed by the University of California Cooperative Extension in cooperation
with landscape professionals and funded by the California Department of Water Resources.